Question

liam made a study chart about human - induced changes to the environment.
environmental changes caused by humans
x

• results from introducing harmful substances into the environment
• example: oil spill

y

• results from natural areas being cleared and replaced by human development
• example: deforestation

which headings best complete the chart?

• x: habitat destruction; y: pollution
• x: long - term changes; y: short - term changes
• x: short - term changes; y: long - term changes
• x: pollution; y: habitat destruction

Explanation:

To solve this, we analyze the characteristics of X and Y:

• For X: The description (introducing harmful substances, example oil spill) and examples match Pollution (releasing pollutants like oil).
• For Y: The description (natural areas cleared for development, example deforestation) and examples match Habitat Destruction (destroying natural habitats).

Looking at the options, the one with X as Pollution and Y as Habitat Destruction is the correct match.

Answer:

X. Pollution, Y. Habitat Destruction (matching the option with these labels, e.g., the last option in the choices: "X. Pollution, Y. Habitat Destruction")